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Performance Evaluation of Polymer Modified Bitumens on a Heavily Trafficked Test Road
Nynäs AB.
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
Swedish National Road and Transport Research Institute, Infrastructure, Measurement technology and engineering workshop.
Nynas NV.
Show others and affiliations
2014 (English)In: International Journal of Pavement Research and Technology, ISSN 1997-1400, Vol. 7, no 6, 381-388 p.Article in journal (Refereed) Published
Abstract [en]

In asphalt paving, polymer modified bitumens (PMBs) have more potential for use and can clearly demonstrate the value of their initial higher cost. To further assess the sustainable benefits of using PMBs, a test road was constructed on a highway in Sweden. In this paper, the asphalt binders used were investigated extensively using rheological and chemical methods, and asphalt field cores characterized with respect to permanent deformation and fatigue. It was found that the modified binders, particularly with SBS polymers, retain better rheological properties in comparison with conventional ones, even after several years in the field; these include higher strain recovery and lower non-recoverable compliance at high temperatures, and lower stiffness at low temperatures. The SBS modified binders also demonstrate good aging resistance, shown by both laboratory aging tests and field aging. the high resistance to aging for the SBS modified binders was also evident in the stiffness measurement made on asphalt field cores. Moreover, the modified binders with SBS polymers significantly enhance fatigue behaviour.

Place, publisher, year, edition, pages
Chinese Society of Pavement Engineering , 2014. Vol. 7, no 6, 381-388 p.
Keyword [en]
Ageing, Durability, Polymerization, Modification, Bitumen, Experimental road, Rheology, Fatigue (mater), Stiffness
National Category
Infrastructure Engineering
Research subject
50 Road: Materials, 51 Road: Bituminous materials and binders
Identifiers
URN: urn:nbn:se:vti:diva-7474DOI: 10.6135/ijprt.org.tw/2014.7(6).381Scopus ID: 2-s2.0-84924862870OAI: oai:DiVA.org:vti-7474DiVA: diva2:780406
Available from: 2015-01-14 Created: 2015-01-14 Last updated: 2016-01-07Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf